The major obstacle to using CNG is the relative scarcity of service stations where the fuel can be obtained. There now are 1,050 CNG refueling stations in the U.S., and the total is climbing 10% annually....More

The agency will continue to back high-tech research, but it wants to make sure public funding supports only radical, new ideas. “If we think the company’s going to do it anyway, that’s not an ideal use of taxpayer money,” says the department’s top official....More

A commercial vehicle on average consumes 20 times more fuel than a car, and researchers say better fuel economy would reduce greenhouse-gas emissions and create jobs by reducing fleet owners’ costs....More

Goodyear doesn’t disclose when it could have the tire available to retail customers but says the launch timetable will be faster than initially expected as a result of recent government research grants....More